Chinese Journal of Ship Research, Volume. 18, Issue 1, 170(2023)
Influence of Magnus cylinder and variable angle flap on the aerodynamic performance of unmanned sailboat
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Fig. 8. Pressure contours and streamlines of airfoil with basic form and different diameters of Magnus cylinder at 20° 20°时基准翼型与不同马格努斯圆柱直径的翼型压力云图及流线分布
Fig. 9. Velocity contours of airfoil with different diameters of Magnus cylinder at 20° 20°时不同马格努斯圆柱直径下翼型的速度云图
Table 1. Grid independence verification analysis
View tableView in ArticleTable 1. Grid independence verification analysis
网格数量 升力系数 变化比/% 阻力系数 变化比/% 892 752 0.831 517 87 − 0.118 631 97 − 983524 0.837 433 14 +0.71 0.119 473 24 +0.71 1 054 306 0.845 038 49 +0.91 0.120 679 04 +1.01 1 135 746 0.846 052 54 +0.12 0.120 811 78 +0.11 1 205 692 0.846 390 55 +0.04 0.120 872 13 +0.05
Table 2. Calculation parameter setting
View tableView in ArticleTable 2. Calculation parameter setting
参数 数值 计算残差 1×10−5 迭代步数 1×103 攻角 $ \alpha $ /(°)0～30 ，步长2 襟翼帆的偏转角 $ {\alpha }_{\mathrm{f}}$ /(°)0，4，8，10，12，15 马格努斯圆柱的直径 $ D $ /mm3.3，3.7，4.1，4.5，4.9 马格努斯圆柱的间隔 $ CLR $ /(‰$ {c}_{1} $ )1.0，1.5，2.0, 马格努斯圆柱的位置 $ LOC $ /mm1.8，2.0，2.2， 相对风向角 $ \theta $ /(°)30～140
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Haoyun DENG, Dianzhu GUAN, Senmao LI, Xianhui WANG. Influence of Magnus cylinder and variable angle flap on the aerodynamic performance of unmanned sailboat[J]. Chinese Journal of Ship Research, 2023, 18(1): 170
Paper Information
Category: Ship Design and Performance
Received: Dec. 7, 2021
Accepted: --
Published Online: Mar. 18, 2025
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